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Part: bl8531h
Category:
ASICs
-> Mixed Signal Cores->0.5um
Description: Description = BL8531H Afe For Ccd/cis Signal Processor ;; Function = Afe ;; Configuration = 12BIT 6MSPS ;; Library Type = - ;; Characteristic = -
Company: Samsung Semiconductor, Inc.
Datasheet: Download bl8531h datasheet File size : 1080 kB
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Datasheet text preview:
BL8531H
AFE FOR CCD/CIS SIGNAL PROCESSOR
GENERAL DESCRIPTION
The samsung analog front end(AFE) for CCD/CIS image signal is an integrated analog signal processor for color image signal. The AFE converts CCD/CIS output signal to digital data. The AFE includes three-channel CDS(Correlated Double Sampling) circuit, PGA(Programmable Gain Amplifier), and 12-bit analog to digital converter with reference generator. A parallel data bus provides a simple interface to 8-bit microcontroller.
APPLICATIONS
· · · · Color and B/W Scanner Digital Copiers Facsimile General Purpose CCD/CIS imager
FETURES
· · · · · · · · · · 12-bit 6MSPS A/D Converter Integrated Triple Correlated Double Sampler 3-Channel 2 MSPS Color Mode Analog Programmble Gain Amplifier Internal Voltage Reference Wide clamp level controllability for CIS sensor No Missing Code Guaranteed Microcontroller-Compatible Control Interface Operation by Single 5V Supply CMOS Low Power Dissipation
KEY SPECIFICATION
· · · · Resolution: 12-bit Conversion Rate: 6 MHz(2 MHz*3) Supply Voltage: 5 V ± 5% Power Dissipation: 375 mW(Typical)
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AFE FOR CCD/CIS SIGNAL PROCESSOR
BL8531H
FUNCTIONAL BLOCK DIAGRAM
RED CDS PGA REF GREEN INPUT OFFSET REGISTER CDS PGA MUX ADC D[11:0]
MPU PORT BLUE CDS PGA GAIN REGISTER
Ver 2.0 (Apr. 2002) No responsibility is assumed by SEC for its use nor for any infringements of patents or other rights of third parties that may result from its use. The content of this datasheet is subject to change without any notice.
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BL8531H
AFE FOR CCD/CIS SIGNAL PROCESSOR
CORE PIN DESCRIPTION
Name VDDA1 VSSA1 VDDA2 VSSA2 VBB VDDD VSSD REFT REFB VCOM BGR R_VIN G_VIN B_VIN STRTLN CDS1_CLK CDS2_CLK ADCCLK CSB WRB RDB OEB D[11:0]/MPU[7:0] AD[2:0] MCTL1, MCTL2 EXT_MCTL I/O Type AP AG AP AG AG DP DG AB AB AB AB AI AI AI DI DI DI DI DI DI DI DI DB DI DI DI I/O Pad vdda vssa vdda vssa vbba vddd vssd piar50_bb piar50_bb piar50_bb piar50_bb piar10_bb piar10_bb piar10_bb picc_bb picc_bb picc_bb picc_bb picc_bb picc_bb picc_bb picc_bb pia_bb picc_bb picc_bb picc_bb Pin Description 5 V Analog Supply Analog Ground 5 V Analog Supply(for ADC) Analog Ground(for ADC) Substarte Ground 5 V Digital Supply Digital Ground Reference Decoupling Reference Decoupling Analog Common Voltage Bandgap Refernce Voltage Analog Input; Red Analog Input; Green Analog Input; Blue STRTLN indicates beginning of line CDS Reset Clock Pulse Input CDS Data Clock Pulse Input A/D Converter Sample Clock Input Chip Select; Active Low Write Strobe; Active Low Read Strobe; Active Low Output Enable; Active Low Data Inputs/Outputs Register Select Channel Select in External MUX Control External MUX Control; Active Low
I/O TYPE ABBR. · · · · · AI : Analog Input AO : Analog Output AP : Analog Power DP : Digital Power · DI : Digital Input · DO : Analog Output · AG : Analog Ground · DG : Digital Ground
AB : Analog Bidirectional Port · DB : Digital Bidirectional Port
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AFE FOR CCD/CIS SIGNAL PROCESSOR
BL8531H
CORE PIN CONFIGURATION
BGR VSSA2 VDDA2 VSSA1 VDDA1
REFT
VCOM REFB
EXT_MCTL MCTL1,MCTL2
R_VIN G_VIN B_VIN VDDD VSSD VBB STRTLN CDS1_CLK CDS2_CLK ADCCLK D[11:0]/MPU[7:0]
bl8531h
AD[2:0] CSB WRB RDB OEB
ABSOLUTE MAXIMUM RATINGS
Charateritics Supply Voltage Analog Input Voltage Digital Input Voltage Digital Output Voltage Reference Voltage Storage Temperature Range Operating Temperature Range Symbol VDD AIN CLK VOH, VOL VRT/VRB Tstg Topr Value 6.5 VSS to VDD VSS to VDD VSS to VDD VSS to VDD -45 to 150 0 to 70 Units V V V V V °C °C
NOTES: 1. ABSOLUTE MAXIMUM RATING specifies the values beyond which the device may be damaged permanently. Exposure to ABSOLUTE MAXIMUM RATING conditions for extended periods may affect reliability. Each condition value is applied with the other values kept within the following operating conditions and function operation under any of these conditions is not implied. 2. All voltages are measured with respect to VSS unless otherwise specified. 3. 100pF capacitor is discharged through a 1.5k resistor (Human body model)
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BL8531H
AFE FOR CCD/CIS SIGNAL PROCESSOR
ANALOG SPECIFICATIONS
(VDDA = 5V, VDDD = 5V, ADCCLK = 6MHz, CDS1_CLK = 2MHz, CDS2_CLK = 2MHz, PGA Gain = 1 unless otherwise noted) Characteristics Resolution Signal-to-Noise & Distortion Ratio Conversion Rate 3-Channel with CDS 1-Channel with CDS Differential Nonlinearity Integral Nonlinearity Unipolar Offset Error Gain Error Anlog Input Full-Scale Input Input Capacitance Reference Top Reference Bottom Power Supply Analog Voltage Digital Voltage Analog Current Digital Current Power Consumption Temperature Range 0 VDDA VDDD IDDA IDDD 5 5 65 10 375 70 V V mA mA mW °C 0.06 8 3.5 1.5 4.0 Vp-p Pf V V 5V ±5% 5V ±5% DNL INL 6 6 ±1 ±2 1.0 2.0 MSPS MSPS LSB LSB %FSR %FSR SNDR Symbol Min 12 60 Typ Max Unit Bits dB Comment
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